Kawasaki Setsubi Kogyo: ransomware encrypts its cloud servers
Encryption of core systems hosted in an external cloud was discovered on June 30. Electronic transactions were restricted and work continued using physical documents. Initial investigation localized the damage to the cloud and internal transaction restrictions were lifted. Possible exposure of business-contact, employee, bank-account and contract data remained under investigation.
Disclosed
2025-07-22
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
Timeline
- Detected 2025-06-30
- Disclosed 2025-07-22
- 22 days
Attack or cause
- Method
- [Ransomware]
- Impact
- [Service outage][Data leak]
- Entry point
- Unknown
Data exposed or at risk
Organizations involved
[Breached][Critical]Aichi, Nagoya, NakaConstruction
Kawasaki Setsubi Kogyo Co., Ltd.
Sources
- [1][Official]ランサムウェア被害の発生についてKawasaki Setsubi Kogyo Co., Ltd. · 2025-07-22